Shaders won't work if the platform does not support webGL... so you may want to see if the Wii-U even supports it first...
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This works fine for me: http://brashmonkey.com/download_spriter.htm
try it with just dropboxusercontent.com as the root url and see if that helps.
Search the forums and tutorials and all of this is covered in great detail...
Asit you need the right version of visual Studio. If you are using express look for the version that specifies windows phone.
You have to get the pro or ultimate versions if you want one that supports every type of project. The express version are very specific.
Have you done even the beginner tutorials? This type of stuff is covered an MANY places. Due diligence...
Your best bet is to email Austin, he posted in the clay.io plugin thread that email is the best way currently as he is swamped.
Quit hitting enter... LOL Just sayin...
The info on cash would be on the ad publisher sites. Look at their CPM rates, etc... you get paid per 1000 views usually...
Use the search feature and also read the tutorials. Also knowing what type of platform you are targeting (Android, iPhone, WP8, Tizen, etc...) and what export you are using (CocoonJS, Crosswalk, etc...) would be of help in getting you an answer...
I have also heard that some times it can take a few hours for the changes in the ad settings to actually start appearing in your apps.
There are actions to call javascript functions.
My initial assumption would be scaling and window size for your game.
It may not be the best answer, but banners at the bottom of the screen tend to get about 50% more clicks than banners at the top. You just have to adjust your layouts to allow for enough room at the bottom though.